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Chemistry, 04.12.2020 22:10 rach1314

. One atom has 20 protons and a mass of 44. Another atom has 20 protons and a mass number of 40. What is
the identity of these atoms? How do you account for the difference in mass numbers?
PLEASE HELP ME

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. One atom has 20 protons and a mass of 44. Another atom has 20 protons and a mass number of 40. Wh...
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